window_open_message.html | Explore in Territory

<!DOCTYPE html>
<html>
<head>
<title>A guest that opens a new window in response to a message from the embedder.</title>
<script>

window.addEventListener('message', (e) => {
  // noopener is not used here because we want this call to be blocking.
  let newWindow = window.open('about:blank');
  e.source.postMessage(newWindow.location.href, e.origin);
});

</script>
</head>
<body>
</body>
</html>

chromium/chrome/test/data/extensions/platform_apps/web_view/shim/window_open_message.html